HE300 Lecture Notes - Lecture 1: World Health Organization, Null Hypothesis, Statistical Parameter
Document Summary
Today"s objectives: review the course outline and understand expectations, review common statistical concepts, cover an introduction to epidemiology (e. g. basic concepts and history) Statistics review: variables: a characteristic that varies from one person or thing to another, data: information obtained by observing values of a variable, types of variables/data, continuous, ratio, measured on a scale, can"t go below 0 ie. height. Ie. scale of 1-10 how do you feel: nominal, selections in no particular order. Student height (inches: measures of central tendency (the middle, mean, average value, add & divide by # of values, median, measures the middle value, mode, most common value. Iqr: 64-73: measures of variation (spread, range, highest to lowest value. Interquartile range: middle values, accounts for outliers, variance, standard deviation, point estimate: using sample data to calculate a value of the. What is epidemiology: epi = among; demos = the people.
